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F.T. Luk and D. Vandevoorde
4.3 INCOMPLETE DEBLURRING
To improve on extrapolation, we proposed in [1] a new approximation technique to handle the restoration of
partial objects without excessive boundary distortion. We call this procedure
incomplete deblurring.
As one may expect, the boundary distortion increases as the PSF becomes flatter,
i.e.,
the condition number
of the imaging operator worsens. Rather than trying to perfectly recover the boundary, we attempt to "locally
improve" the condition of the imaging operator. We do this by assuming a more peaked PSF than the measured
one for the pixels near the image boundary and organizing ...